«In the entry, you need to have the physical address, you need to have the virtual address, and you have some other data,» Yu says. (sciencedaily.com)
One bit indicates whether the data at that virtual address can be found in the DRAM cache, and the other two indicate its location relative to any other data items with the same hash index. (sciencedaily.com)
So each core, or processing unit, in a chip usually has a table that maps the virtual addresses used by individual programs to the actual addresses of data stored in main memory. (sciencedaily.com)